18441622 has 8 divisors (see below), whose sum is σ = 28616400. Its totient is φ = 8902824.

The previous prime is 18441613. The next prime is 18441629. The reversal of 18441622 is 22614481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18441629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158922 + ... + 159037.

It is an arithmetic number, because the mean of its divisors is an integer number (3577050).

Almost surely, 2^18441622 is an apocalyptic number.

18441622 is a deficient number, since it is larger than the sum of its proper divisors (10174778).

18441622 is a wasteful number, since it uses less digits than its factorization.

18441622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317990.

The product of its digits is 3072, while the sum is 28.

The square root of 18441622 is about 4294.3709667424. The cubic root of 18441622 is about 264.2001371123.

It can be divided in two parts, 1844162 and 2, that added together give a square (1844164 = 1358²).

The spelling of 18441622 in words is "eighteen million, four hundred forty-one thousand, six hundred twenty-two".